78994845

素因数分解:

$3^4\times 5^1\times {\mathrm{195049}}^1$

素因数の和:195066

約数の個数: 20

約数和(自身を含む): 141606300

約数和(自身を除く): 62611455

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 195049, 585147, 975245, 1755441, 2925735, 5266323, 8777205, 15798969, 26331615, 78994845]

約数ペア:

[(1, 78994845), (3, 26331615), (5, 15798969), (9, 8777205), (15, 5266323), (27, 2925735), (45, 1755441), (81, 975245), (135, 585147), (405, 195049)]